528 lines
18 KiB
Python
528 lines
18 KiB
Python
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# *****************************************************************************
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# * | File : epd2in7.py
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# * | Author : Waveshare team
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# * | Function : Electronic paper driver
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# * | Info :
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# *----------------
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# * | This version: V4.0
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# * | Date : 2019-06-20
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# # | Info : python demo
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# -----------------------------------------------------------------------------
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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import logging
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from . import epdconfig
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# Display resolution
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EPD_WIDTH = 176
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EPD_HEIGHT = 264
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GRAY1 = 0xff #white
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GRAY2 = 0xC0
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GRAY3 = 0x80 #gray
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GRAY4 = 0x00 #Blackest
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logger = logging.getLogger(__name__)
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class EPD:
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def __init__(self):
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self.reset_pin = epdconfig.RST_PIN
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self.dc_pin = epdconfig.DC_PIN
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self.busy_pin = epdconfig.BUSY_PIN
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self.cs_pin = epdconfig.CS_PIN
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self.width = EPD_WIDTH
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self.height = EPD_HEIGHT
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self.GRAY1 = GRAY1 #white
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self.GRAY2 = GRAY2
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self.GRAY3 = GRAY3 #gray
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self.GRAY4 = GRAY4 #Blackest
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lut_vcom_dc = [0x00, 0x00,
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0x00, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x60, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x00, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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]
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lut_ww = [
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0x40, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x40, 0x14, 0x00, 0x00, 0x00, 0x01,
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0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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lut_bw = [
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0x40, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x40, 0x14, 0x00, 0x00, 0x00, 0x01,
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0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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lut_bb = [
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0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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lut_wb = [
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0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
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0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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###################full screen update LUT######################
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#0~3 gray
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gray_lut_vcom = [
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0x00, 0x00,
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0x00, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x60, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x00, 0x13, 0x0A, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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#R21
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gray_lut_ww =[
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0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x10, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0xA0, 0x13, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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#R22H r
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gray_lut_bw =[
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0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0x99, 0x0C, 0x01, 0x03, 0x04, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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#R23H w
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gray_lut_wb =[
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0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0x99, 0x0B, 0x04, 0x04, 0x01, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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#R24H b
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gray_lut_bb =[
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0x80, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x20, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0x50, 0x13, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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# Hardware reset
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def reset(self):
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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epdconfig.digital_write(self.reset_pin, 0)
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epdconfig.delay_ms(5)
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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def send_command(self, command):
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epdconfig.digital_write(self.dc_pin, 0)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([command])
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epdconfig.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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epdconfig.digital_write(self.dc_pin, 1)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([data])
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epdconfig.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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logger.debug("e-Paper busy")
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while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
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epdconfig.delay_ms(200)
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logger.debug("e-Paper busy release")
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def set_lut(self):
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self.send_command(0x20) # vcom
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for count in range(0, 44):
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self.send_data(self.lut_vcom_dc[count])
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self.send_command(0x21) # ww --
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for count in range(0, 42):
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self.send_data(self.lut_ww[count])
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self.send_command(0x22) # bw r
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for count in range(0, 42):
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self.send_data(self.lut_bw[count])
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self.send_command(0x23) # wb w
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for count in range(0, 42):
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self.send_data(self.lut_bb[count])
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self.send_command(0x24) # bb b
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for count in range(0, 42):
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self.send_data(self.lut_wb[count])
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def gray_SetLut(self):
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self.send_command(0x20)
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for count in range(0, 44): #vcom
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self.send_data(self.gray_lut_vcom[count])
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self.send_command(0x21) #red not use
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for count in range(0, 42):
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self.send_data(self.gray_lut_ww[count])
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self.send_command(0x22) #bw r
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for count in range(0, 42):
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self.send_data(self.gray_lut_bw[count])
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self.send_command(0x23) #wb w
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for count in range(0, 42):
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self.send_data(self.gray_lut_wb[count])
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self.send_command(0x24) #bb b
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for count in range(0, 42):
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self.send_data(self.gray_lut_bb[count])
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self.send_command(0x25) #vcom
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for count in range(0, 42):
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self.send_data(self.gray_lut_ww[count])
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def init(self):
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if (epdconfig.module_init() != 0):
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return -1
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# EPD hardware init start
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self.reset()
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self.send_command(0x01) # POWER_SETTING
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self.send_data(0x03) # VDS_EN, VDG_EN
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self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
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self.send_data(0x2b) # VDH
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self.send_data(0x2b) # VDL
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self.send_data(0x09) # VDHR
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self.send_command(0x06) # BOOSTER_SOFT_START
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self.send_data(0x07)
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self.send_data(0x07)
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self.send_data(0x17)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x60)
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self.send_data(0xA5)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x89)
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self.send_data(0xA5)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x90)
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self.send_data(0x00)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x93)
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self.send_data(0x2A)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0xA0)
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self.send_data(0xA5)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0xA1)
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self.send_data(0x00)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x73)
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self.send_data(0x41)
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self.send_command(0x16) # PARTIAL_DISPLAY_REFRESH
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self.send_data(0x00)
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self.send_command(0x04) # POWER_ON
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self.ReadBusy()
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self.send_command(0x00) # PANEL_SETTING
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self.send_data(0xAF) # KW-BF KWR-AF BWROTP 0f
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self.send_command(0x30) # PLL_CONTROL
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self.send_data(0x3A) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
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self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
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self.send_data(0x57)
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self.send_command(0x82) # VCM_DC_SETTING_REGISTER
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self.send_data(0x12)
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self.set_lut()
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return 0
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def Init_4Gray(self):
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if (epdconfig.module_init() != 0):
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return -1
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self.reset()
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self.send_command(0x01) #POWER SETTING
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self.send_data (0x03)
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self.send_data (0x00)
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self.send_data (0x2b)
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self.send_data (0x2b)
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self.send_command(0x06) #booster soft start
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self.send_data (0x07) #A
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self.send_data (0x07) #B
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self.send_data (0x17) #C
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self.send_command(0xF8) #boost??
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self.send_data (0x60)
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self.send_data (0xA5)
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||
|
|
self.send_command(0xF8) #boost??
|
||
|
|
self.send_data (0x89)
|
||
|
|
self.send_data (0xA5)
|
||
|
|
|
||
|
|
self.send_command(0xF8) #boost??
|
||
|
|
self.send_data (0x90)
|
||
|
|
self.send_data (0x00)
|
||
|
|
|
||
|
|
self.send_command(0xF8) #boost??
|
||
|
|
self.send_data (0x93)
|
||
|
|
self.send_data (0x2A)
|
||
|
|
|
||
|
|
self.send_command(0xF8) #boost??
|
||
|
|
self.send_data (0xa0)
|
||
|
|
self.send_data (0xa5)
|
||
|
|
|
||
|
|
self.send_command(0xF8) #boost??
|
||
|
|
self.send_data (0xa1)
|
||
|
|
self.send_data (0x00)
|
||
|
|
|
||
|
|
self.send_command(0xF8) #boost??
|
||
|
|
self.send_data (0x73)
|
||
|
|
self.send_data (0x41)
|
||
|
|
|
||
|
|
self.send_command(0x16)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x04)
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x00) #panel setting
|
||
|
|
self.send_data(0xbf) #KW-BF KWR-AF BWROTP 0f
|
||
|
|
|
||
|
|
self.send_command(0x30) #PLL setting
|
||
|
|
self.send_data (0x90) #100hz
|
||
|
|
|
||
|
|
self.send_command(0x61) #resolution setting
|
||
|
|
self.send_data (0x00) #176
|
||
|
|
self.send_data (0xb0)
|
||
|
|
self.send_data (0x01) #264
|
||
|
|
self.send_data (0x08)
|
||
|
|
|
||
|
|
self.send_command(0x82) #vcom_DC setting
|
||
|
|
self.send_data (0x12)
|
||
|
|
|
||
|
|
self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
|
||
|
|
self.send_data(0x57)
|
||
|
|
|
||
|
|
def getbuffer(self, image):
|
||
|
|
# logger.debug("bufsiz = ",int(self.width/8) * self.height)
|
||
|
|
buf = [0xFF] * (int(self.width/8) * self.height)
|
||
|
|
image_monocolor = image.convert('1')
|
||
|
|
imwidth, imheight = image_monocolor.size
|
||
|
|
pixels = image_monocolor.load()
|
||
|
|
# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
|
||
|
|
if(imwidth == self.width and imheight == self.height):
|
||
|
|
logger.debug("Vertical")
|
||
|
|
for y in range(imheight):
|
||
|
|
for x in range(imwidth):
|
||
|
|
# Set the bits for the column of pixels at the current position.
|
||
|
|
if pixels[x, y] == 0:
|
||
|
|
buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8))
|
||
|
|
elif(imwidth == self.height and imheight == self.width):
|
||
|
|
logger.debug("Horizontal")
|
||
|
|
for y in range(imheight):
|
||
|
|
for x in range(imwidth):
|
||
|
|
newx = y
|
||
|
|
newy = self.height - x - 1
|
||
|
|
if pixels[x, y] == 0:
|
||
|
|
buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8))
|
||
|
|
return buf
|
||
|
|
|
||
|
|
def getbuffer_4Gray(self, image):
|
||
|
|
# logger.debug("bufsiz = ",int(self.width/8) * self.height)
|
||
|
|
buf = [0xFF] * (int(self.width / 4) * self.height)
|
||
|
|
image_monocolor = image.convert('L')
|
||
|
|
imwidth, imheight = image_monocolor.size
|
||
|
|
pixels = image_monocolor.load()
|
||
|
|
i=0
|
||
|
|
# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
|
||
|
|
if(imwidth == self.width and imheight == self.height):
|
||
|
|
logger.debug("Vertical")
|
||
|
|
for y in range(imheight):
|
||
|
|
for x in range(imwidth):
|
||
|
|
# Set the bits for the column of pixels at the current position.
|
||
|
|
if(pixels[x, y] == 0xC0):
|
||
|
|
pixels[x, y] = 0x80
|
||
|
|
elif (pixels[x, y] == 0x80):
|
||
|
|
pixels[x, y] = 0x40
|
||
|
|
i= i+1
|
||
|
|
if(i%4 == 0):
|
||
|
|
buf[int((x + (y * self.width))/4)] = ((pixels[x-3, y]&0xc0) | (pixels[x-2, y]&0xc0)>>2 | (pixels[x-1, y]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
|
||
|
|
|
||
|
|
elif(imwidth == self.height and imheight == self.width):
|
||
|
|
logger.debug("Horizontal")
|
||
|
|
for x in range(imwidth):
|
||
|
|
for y in range(imheight):
|
||
|
|
newx = y
|
||
|
|
newy = self.height - x - 1
|
||
|
|
if(pixels[x, y] == 0xC0):
|
||
|
|
pixels[x, y] = 0x80
|
||
|
|
elif (pixels[x, y] == 0x80):
|
||
|
|
pixels[x, y] = 0x40
|
||
|
|
i= i+1
|
||
|
|
if(i%4 == 0):
|
||
|
|
buf[int((newx + (newy * self.width))/4)] = ((pixels[x, y-3]&0xc0) | (pixels[x, y-2]&0xc0)>>2 | (pixels[x, y-1]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
|
||
|
|
return buf
|
||
|
|
|
||
|
|
def display(self, image):
|
||
|
|
self.send_command(0x10)
|
||
|
|
for i in range(0, int(self.width * self.height / 8)):
|
||
|
|
self.send_data(0xFF)
|
||
|
|
self.send_command(0x13)
|
||
|
|
for i in range(0, int(self.width * self.height / 8)):
|
||
|
|
self.send_data(image[i])
|
||
|
|
self.send_command(0x12)
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
def display_4Gray(self, image):
|
||
|
|
self.send_command(0x10)
|
||
|
|
for i in range(0, 5808): #5808*4 46464
|
||
|
|
temp3=0
|
||
|
|
for j in range(0, 2):
|
||
|
|
temp1 = image[i*2+j]
|
||
|
|
for k in range(0, 2):
|
||
|
|
temp2 = temp1&0xC0
|
||
|
|
if(temp2 == 0xC0):
|
||
|
|
temp3 |= 0x01#white
|
||
|
|
elif(temp2 == 0x00):
|
||
|
|
temp3 |= 0x00 #black
|
||
|
|
elif(temp2 == 0x80):
|
||
|
|
temp3 |= 0x01 #gray1
|
||
|
|
else: #0x40
|
||
|
|
temp3 |= 0x00 #gray2
|
||
|
|
temp3 <<= 1
|
||
|
|
|
||
|
|
temp1 <<= 2
|
||
|
|
temp2 = temp1&0xC0
|
||
|
|
if(temp2 == 0xC0): #white
|
||
|
|
temp3 |= 0x01
|
||
|
|
elif(temp2 == 0x00): #black
|
||
|
|
temp3 |= 0x00
|
||
|
|
elif(temp2 == 0x80):
|
||
|
|
temp3 |= 0x01 #gray1
|
||
|
|
else : #0x40
|
||
|
|
temp3 |= 0x00 #gray2
|
||
|
|
if(j!=1 or k!=1):
|
||
|
|
temp3 <<= 1
|
||
|
|
temp1 <<= 2
|
||
|
|
self.send_data(temp3)
|
||
|
|
|
||
|
|
self.send_command(0x13)
|
||
|
|
for i in range(0, 5808): #5808*4 46464
|
||
|
|
temp3=0
|
||
|
|
for j in range(0, 2):
|
||
|
|
temp1 = image[i*2+j]
|
||
|
|
for k in range(0, 2):
|
||
|
|
temp2 = temp1&0xC0
|
||
|
|
if(temp2 == 0xC0):
|
||
|
|
temp3 |= 0x01#white
|
||
|
|
elif(temp2 == 0x00):
|
||
|
|
temp3 |= 0x00 #black
|
||
|
|
elif(temp2 == 0x80):
|
||
|
|
temp3 |= 0x00 #gray1
|
||
|
|
else: #0x40
|
||
|
|
temp3 |= 0x01 #gray2
|
||
|
|
temp3 <<= 1
|
||
|
|
|
||
|
|
temp1 <<= 2
|
||
|
|
temp2 = temp1&0xC0
|
||
|
|
if(temp2 == 0xC0): #white
|
||
|
|
temp3 |= 0x01
|
||
|
|
elif(temp2 == 0x00): #black
|
||
|
|
temp3 |= 0x00
|
||
|
|
elif(temp2 == 0x80):
|
||
|
|
temp3 |= 0x00 #gray1
|
||
|
|
else: #0x40
|
||
|
|
temp3 |= 0x01 #gray2
|
||
|
|
if(j!=1 or k!=1):
|
||
|
|
temp3 <<= 1
|
||
|
|
temp1 <<= 2
|
||
|
|
self.send_data(temp3)
|
||
|
|
|
||
|
|
self.gray_SetLut()
|
||
|
|
self.send_command(0x12)
|
||
|
|
epdconfig.delay_ms(200)
|
||
|
|
self.ReadBusy()
|
||
|
|
# pass
|
||
|
|
|
||
|
|
def Clear(self, color=0xFF):
|
||
|
|
self.send_command(0x10)
|
||
|
|
for i in range(0, int(self.width * self.height / 8)):
|
||
|
|
self.send_data(color)
|
||
|
|
self.send_command(0x13)
|
||
|
|
for i in range(0, int(self.width * self.height / 8)):
|
||
|
|
self.send_data(color)
|
||
|
|
self.send_command(0x12)
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
def sleep(self):
|
||
|
|
self.send_command(0X50)
|
||
|
|
self.send_data(0xf7)
|
||
|
|
self.send_command(0X02)
|
||
|
|
self.send_command(0X07)
|
||
|
|
self.send_data(0xA5)
|
||
|
|
|
||
|
|
epdconfig.delay_ms(2000)
|
||
|
|
epdconfig.module_exit()
|
||
|
|
### END OF FILE ###
|
||
|
|
|